OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Projectors Methodology v3.0
Projectors Methodology v3.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Projectors Methodology v3.0: the technical score from the specifications is the base, and independent expert and video reviews (up to ±0.5 points), owner opinions (up to ±0.3) and best-of lists (up to +0.3) move it up or down.
Explore Projectors Methodology v3.0

LG BX503B review: 86 specs compared

Avg. price:~£1,090Native panel resolution:1024x768ANSI lumens:5000Throw ratio:1.23-1.47:1Lamp life:2000 hours

LG BX503B Review: Compare 86 technical specifications to see how this product ranks in the Projectors category and whether it is worth buying.

LG BX503B
6.7/10

Overall score

Score
6.7/ 10
✕
What it is
Our main score for this model, 1–10. It combines specs, best-of lists, expert reviews and owners.
How we count it
Parts: Technical score 35%, List score 30%, Reviews score 25%, Sentiment score 10%
Marks: Each part gets a mark out of 10. For reviews, lists and owners, a typical model in this category gets about 8 and the best one gets 10.
No data yet: A part with no data shows "?". It counts as the mark of a weaker model in this category (4 in 5 models with data score higher). This way, models with reviews, lists and owners usually come out ahead.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 78% of models
Score components

35%

5.1

Technical score

30%

?

List scoreNot enough data yet, so we use 7.5, the mark of a weaker model in this category

25%

?

Reviews scoreNot enough data yet, so we use 7.8, the mark of a weaker model in this category

10%

?

Sentiment scoreNot enough data yet, so we use 6.8, the mark of a weaker model in this category

â–¼Worse than 78% of projectors
6.1

Value for money

Value for money
6.1/ 10
✕
What it is
An indicator that combines the projector's overall rating with its cost.
When it matters
When you are looking for a projector with a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 76% of models
Score components

70%

6.7

Overall score

30%

4.8

Price

â–¼Worse than 76%
5.1

Technical score

Technical score
5.1/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 35% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 97% of models
Score components

42%

6.0

Image Quality

22%

4.0

Projection & Lens

12%

5.0

HDMI & Gaming

10%

5.5

Audio & Features

8%

4.1

Connectivity

6%

3.7

Design & Power

â–¼Worse than 97%
?

Reviews score

Reviews score
✕
What it is
Average grade from independent test sites, magazines and video reviewers, 1–10.
How we count it
Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves. Big test sites count more, short reviews half as much as full tests. A video review counts half.
Score: The average grade is 80% of the review mark; the number of reviews is the other 20% (1 review = 5, the typical number in this category = 8, the most-reviewed model = 10).
Enough data: With few reviews, the average grade is pulled toward the typical grade of this category. No reviews yet: 7.8 for now.
Share: Reviews count 25% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
Grades by review (0)
We have not found an independent test of this model yet. Until we do, its review part counts as 7.8.
User ratings collected online are not part of this score.
No expert tests yet
?

List score

List score
7.5/ 10
✕
What it is
How often independent test sites, magazines and video reviewers put this model in their best-of lists for this category.
How we count it
Points: The model in the most lists of this category gets 10; the others get 8 to 10 in proportion. In no list yet: 7.5. Lists count 30% of the overall score.
Enough data: Every list counts, even a single one. With fewer than 5 best-of lists in the category, this part is left out.
Lists with this model (0)
Not in any best-of list yet, so this part counts as 7.5. Models in a list get 8 to 10.
Not in any best-of list yet
  • lg-bx503b
lg-bx503b
Where to buy
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of projector LG BX503B

Technical score
Technical score
5.1/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 35% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 97% of models
Score components:

42%

6.0

Image Quality

22%

4.0

Projection & Lens

12%

5.0

HDMI & Gaming

10%

5.5

Audio & Features

8%

4.1

Connectivity

6%

3.7

Design & Power

5.1
Reviews score
7.8
List score
?
Value for money
Value for money
6.1/ 10
✕
What it is
An indicator that combines the projector's overall rating with its cost.
When it matters
When you are looking for a projector with a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 76% of models
Score components:

70%

6.7

Overall score

30%

4.8

Price

6.1
ANSI lumens
5,000
Market range: <280 – >4k
This projector reaches 5,000 ANSI lumens, brighter than 92.9% of projectors and equal to 2.5% of projectors.
Contrast ratio
2,800:1
This projector has a contrast ratio of 2800:1, lower than 68.8% of projectors and equal to 0.2% of projectors.
Native panel resolution
1024x768
This projector uses a native resolution of 1024x768, lower than 88.6% of projectors and equal to 5.6% of projectors.
Output resolution
1024x768
This projector supports output resolution up to 1024x768, lower than 89.4% of projectors and equal to 5.6% of projectors.
Projection technology
DLP
Show more
Throw ratio
1.23-1.47:1
Min throw distance
1 m
Market range: <0.5 m – >1.651 m
This projector needs a minimum throw distance of 1 m, shorter than 50.1% of projectors and equal to 10% of projectors.
Max projection size
250 inch
Market range: <120 inch – >301 inch
This projector supports projection sizes up to 250 inch, larger than 49.9% of projectors and equal to 1.1% of projectors.
Zoom ratio
1.2
Market range: <1.1 – >2.06
This projector offers a zoom ratio of 1.2, narrower than 59.8% of projectors and equal to 21.6% of projectors.
Motorized zoom
no
This projector does not have motorised zoom. 14.8% of projectors offer this.
Show more
Input lag
?
Auto low latency mode (ALLM)
no
This projector does not switch to low-latency mode automatically. 16.1% of projectors offer this.
Variable refresh rate (VRR)
no
This projector does not support variable refresh rate. 1.8% of projectors offer this.
HDMI version
1.3
This projector supports HDMI 1.3, older than 89.8% of projectors and equal to 7.3% of projectors.
Max HDMI bandwidth
10.2 Gbps
Market range: <10.2 Gbps – >48 Gbps
This projector supports HDMI bandwidth up to 10.2 Gbps, lower than 51.2% of projectors and equal to 46.5% of projectors.
Different HDMI ports reach 10.2 and 4.95 Gbps.
Show more
N. of HDMI ports
1
Market range: <1 – >2
This projector has 1 HDMI port/s, fewer than 54.2% of projectors and equal to 42.9% of projectors.
Wi-Fi connectivity
no
This projector does not connect to Wi-Fi networks. 53.4% of projectors offer this.
Wi-Fi version
N/A
Bluetooth connectivity
no
This projector does not support Bluetooth. 50.7% of projectors offer this.
Bluetooth version
N/A
Show more
Smart TV features
no
This projector does not have built-in smart TV features. 43.9% of projectors offer this.
Operating system
none
Android OS
no
This projector does not run Android OS. 19.1% of projectors run Android OS.
Dedicated smartphone app
no
This projector does not come with a dedicated smartphone app. 36.8% of projectors come with a dedicated smartphone app.
Remote control
yes
This projector includes a remote control. 1.5% of projectors offer this.
Show more
Light source type
lamp
This projector uses lamp light source technology, less advanced than 66.5% of projectors and equal to 33.5% of projectors.
Laser light source
no
This projector does not have a laser light source. 26.8% of projectors offer this.
Lamp life
2000 hours
Market range: <3.5k hours – >30k hours
This projector offers lamp life of 2000 hours, longer than 96.6% of projectors and equal to 2.9% of projectors.
Lamp life (eco mode)
2,500 hours
Market range: <5k hours – >30k hours
This projector offers eco-mode lamp life of 2,500 hours, longer than 98.9% of projectors and equal to 0.5% of projectors.
Operating power consumption
380 W
Market range: <57 W – >390 W
This projector uses 380 W of power, more than 89.6% of projectors and equal to 1% of projectors.
Show more

LG BX503B vs the average projector

246810TotalImage QualityProjection & LensHDMI & GamingConnectivityAudio & FeaturesDesign & Power
  • 2.27x brighter image
    This projector has higher ANSI lumens than the average projector (5,000 vs 2,200). The average projector has 2,200 ANSI lumens.
    5,000 vs 2,200
  • 0.23 inch larger DMD chip
    This projector has a higher DMD chip size than the average projector (0.7 inch vs 0.47 inch). The average projector has 0.47 inch of DMD chip size.
    0.7 inch vs 0.47 inch
  • 2 more audio input ports
    This projector has more audio input ports than the average projector (2 vs 0). The average projector has 0 audio input ports.
    2 vs 0
  • 1 more RJ45 ports
    This projector has more RJ45 ports than the average projector (1 vs 0). The average projector has 0 RJ45 ports.
    1 vs 0
  • DVI input included
    This projector supports DVI input, while the average projector does not. 5.3% of projectors support DVI input.
  • VGA input included
    This projector supports VGA input, while the average projector does not. 44.1% of projectors support VGA input.
  • 2.27x brighter image
    This projector has higher ANSI lumens than the average projector (5,000 vs 2,200). The average projector has 2,200 ANSI lumens.
    5,000 vs 2,200
  • 0.23 inch larger DMD chip
    This projector has a higher DMD chip size than the average projector (0.7 inch vs 0.47 inch). The average projector has 0.47 inch of DMD chip size.
    0.7 inch vs 0.47 inch
  • 1 more RJ45 ports
    This projector has more RJ45 ports than the average projector (1 vs 0). The average projector has 0 RJ45 ports.
    1 vs 0
  • DVI input included
    This projector supports DVI input, while the average projector does not. 5.3% of projectors support DVI input.
  • VGA input included
    This projector supports VGA input, while the average projector does not. 44.1% of projectors support VGA input.
  • 2 more audio input ports
    This projector has more audio input ports than the average projector (2 vs 0). The average projector has 0 audio input ports.
    2 vs 0
  • Limited HDMI format
    This projector supports a less capable max HDMI input format than the average projector (720p vs 4K/120Hz). The average projector supports a max HDMI input format of 4K/120Hz.
    720p vs 4K/120Hz
  • Basic light source
    This projector has Basic light source than the average projector (lamp vs laser). The average projector uses a laser light source.
    lamp vs laser
  • No HDR10 support
    This projector does not support HDR10, while the average projector does. 57.6% of projectors support HDR10.
  • Lower output resolution
    This projector supports a lower output resolution than the average projector (1024x768 vs 1920x1080). The average projector outputs at 1920x1080 resolution.
    1024x768 vs 1920x1080
  • Low native resolution
    This projector has a lower native panel resolution than the average projector (1024x768 vs 1920x1080). The average projector has a native panel resolution of 1920x1080.
    1024x768 vs 1920x1080
  • 1 fewer HDMI ports
    This projector has fewer HDMI ports than the average projector (1 vs 2). The average projector has 2 HDMI ports.
    1 vs 2
  • 2 bit lower color depth
    This projector has a lower color depth than the average projector (8 bit vs 10 bit). The average projector has 10 bit of color depth.
    8 bit vs 10 bit
  • Older HDMI version
    This projector has Old HDMI standard than the average projector (1.3 vs 2). The average projector supports HDMI 2.
    1.3 vs 2
  • 13.9% worse value for money
    LG BX503B has a lower value-for-money score than the average projector (6.1 vs 6.9).
    6.1 vs 6.95
  • 65.2% more expensive
    LG BX503B is more expensive than the average projector (£1,090 vs £660).
    £1,090 vs £660
  • No HDR10 support
    This projector does not support HDR10, while the average projector does. 57.6% of projectors support HDR10.
  • Lower output resolution
    This projector supports a lower output resolution than the average projector (1024x768 vs 1920x1080). The average projector outputs at 1920x1080 resolution.
    1024x768 vs 1920x1080
  • Low native resolution
    This projector has a lower native panel resolution than the average projector (1024x768 vs 1920x1080). The average projector has a native panel resolution of 1920x1080.
    1024x768 vs 1920x1080
  • 2 bit lower color depth
    This projector has a lower color depth than the average projector (8 bit vs 10 bit). The average projector has 10 bit of color depth.
    8 bit vs 10 bit
  • Lower contrast ratio
    This projector has a lower contrast ratio than the average projector (2800:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.
    2,800:1 vs 10,000:1
  • No 3D video
    This projector does not support 3D video, while the average projector does. 55.4% of projectors support 3D video.
  • 10 earlier release
    This projector was released earlier than the average projector (2011 vs 2021). The average projector was released in 2021.
    2011 vs 2021
  • Narrower color gamut
    This projector has a lower color gamut coverage than the average projector (92% Rec.709 % vs 99% Rec.709 %). The average projector has 99% Rec.709 % of color gamut coverage.
    92% Rec.709 % vs 99% Rec.709 %
  • 15 degrees less vertical correction
    This projector offers less vertical keystone correction than the average projector (15 degrees vs 30 degrees). The average projector offers vertical keystone correction of 30 degrees.
    15 degrees vs 30 degrees
  • 15 degrees less horizontal correction
    This projector offers less horizontal keystone correction than the average projector (15 degrees vs 30 degrees). The average projector offers horizontal keystone correction of 30 degrees.
    15 degrees vs 30 degrees
  • 0.1 2x narrower zoom range
    This projector has a lower zoom ratio than the average projector (1.2 vs 1.3). The average projector has 1.3 of zoom ratio.
    1.2 vs 1.3
  • Limited HDMI format
    This projector supports a less capable max HDMI input format than the average projector (720p vs 4K/120Hz). The average projector supports a max HDMI input format of 4K/120Hz.
    720p vs 4K/120Hz
  • Older HDMI version
    This projector has Old HDMI standard than the average projector (1.3 vs 2). The average projector supports HDMI 2.
    1.3 vs 2
  • 43.3% lower HDMI bandwidth
    This projector has a lower HDMI bandwidth than the average projector (10.2 Gbps vs 18 Gbps). The average projector has 18 Gbps of HDMI bandwidth.
    Different HDMI ports reach 10.2 and 4.95 Gbps.
    10.2 Gbps vs 18 Gbps
  • 1 fewer HDMI ports
    This projector has fewer HDMI ports than the average projector (1 vs 2). The average projector has 2 HDMI ports.
    1 vs 2
  • No Wi-Fi connectivity
    This projector does not connect to Wi-Fi networks, while the average projector does. 53.4% of projectors offer this.
  • No Bluetooth connectivity
    This projector does not support Bluetooth, while the average projector does. 50.6% of projectors offer this.
  • No headphone jack
    This projector does not have a 3.5 mm audio jack, while the average projector does. 84.4% of projectors offer a 3.5 mm audio jack.
  • No built-in speaker
    This projector does not have a built-in speaker, while the average projector does. 87% of projectors have one.
  • Basic light source
    This projector has Basic light source than the average projector (lamp vs laser). The average projector uses a laser light source.
    lamp vs laser
  • 18,000 hours shorter lamp life
    This projector has a lower lamp life than the average projector (2000 hours vs 20,000 hours). The average projector has 20,000 hours of lamp life.
    2,000 hours vs 20,000 hours
  • 5 dB louder operation
    This projector has a higher audible noise than the average projector (36 dB vs 31 dB). The average projector has 31 dB of audible noise.
    36 dB vs 31 dB
  • 17,500 hours shorter eco lamp life
    This projector has a lower lamp life in eco mode than the average projector (2,500 hours vs 20,000 hours). The average projector has 20,000 hours of lamp life in eco mode.
    2,500 hours vs 20,000 hours
  • 150 W higher power use
    This projector uses more power than the average projector (380 W vs 230 W). The average projector uses 230 W of power.
    380 W vs 230 W
  • 94.6% heavier weight
    This projector is heavier than the average projector (5.8 kg vs 2.98 kg). The average projector weighs 2.98 kg.
    5.8 kg vs 2.98 kg
  • 106 mm wider body
    This projector is wider than the average projector (403 mm vs 297 mm). The average projector has a width of 297 mm.
    403 mm vs 297 mm
  • 0.5 W higher standby power
    This projector uses more standby power than the average projector (1 W vs 0.5 W). The average projector uses 0.5 W of standby power.
    1 W vs 0.5 W

Third-party reviews

What customers like about LG BX503B

  • Extremely high brightness of 5,000 ANSI lumens, allowing for clear images even in well-lit rooms
  • Semi-short throw capability can project a 100-inch diagonal image from just 2.5 meters away
  • Strong color accuracy and depth supported by Brilliant Color and VIDI technology
  • Convenient features such as quick power on/off and a sleep timer
  • Advanced digital keystone correction for easier alignment at off-angles
  • Relatively portable for its class, weighing approximately 5.8 kg

What customers don't like about LG BX503B

  • Native XGA resolution (1024x768) is lower than modern HD or 4K standards
  • Standard lamp life is relatively short at 2,000 hours (2,500 in ECO mode) compared to laser models
  • Lacks modern features like built-in Smart TV apps, AirPlay, or Wi-Fi connectivity
  • Operating noise level of 36 dB may be noticeable in quiet environments
  • Limited connectivity with only one HDMI port and no built-in speakers
  • Manual focus and zoom only; lacks motorized adjustment options

Verdict

The LG BX503B is a professional-grade DLP business projector featuring a high brightness of 5,000 ANSI lumens and a native XGA (1024x768) resolution, making it suitable for large venues and well-lit conference rooms. Its semi short-throw lens allows for a 100-inch diagonal image from just 2.5 metres away, complemented by a 2800:1 contrast ratio and technologies like BrilliantColorâ„¢ and VIDIâ„¢ for enhanced color accuracy. Main pros include its exceptional light output for ambient light performance, versatile connectivity with HDMI and RJ45 ports, and advanced horizontal/vertical digital keystone correction for flexible placement. However, cons include a relatively low native 4:3 aspect ratio which is less ideal for modern widescreen content, a modest lamp life of 2,000 to 2,500 hours, and the lack of motorized zoom or focus features.

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